The rock band Relaxer may not be a household-name in Akron, but its members are. Founder Jamie Stillman has been playing in bands for decades, and owns EarthQuaker Devices . The Akron company sells hand-made guitar pedals that are popular with musicians around the world. For this week’s Shuffle, Stillman and band mates Joe Scott, Corey Haren and Brad Thorla talked about being in business together, growing older and defining passive progressive rock. Jamie Stillman has been playing in bands since